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LONDON, 13 December, 2016 – Scientists have calculated the mass of that unnatural achievement called the “technosphere”, demonstrating the scale of human activity that drives climate change. The bleak conclusion is that cities, factories, cars, railways, cameras, computers, ballpoint pens, swords, machine guns and all other manmade things now weigh about 30 trillion tonnes. The scientists also estimate that the …

Global concentrations of methane, a powerful greenhouse gas and cause of climate change, are now growing faster in the atmosphere than at any other time in the past two decades. That is the message of a team of international scientists in an editorial to be published 12 December in the journal Environmental Research Letters. The group reports that methane concentrations …

Donald Trump has appointed Oklahoma Attorney General Scott Pruitt to head the U.S. Environmental Protection Agency (EPA). The conservative Republican has close ties to the fossil fuel industry and has waged numerous legal wars against the EPA and President Obama’s environmental regulations, including the president’s signature Clean Power Plan. Pruitt, who was elected as Oklahoma’s top legal officer in November …

President-elect Donald Trump plans to nominate Scott Pruitt, the Republican attorney general of Oklahoma and a frequent legal adversary to President Obama, to lead the Environmental Protection Agency (EPA), a transition official told The Hill. If confirmed by the Senate to oversee the 15,000-employee agency, Pruitt would take the lead on dismantling the EPA regulations that Trump targeted throughout his …